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Image caption
The Horsefly drone takes off from a platform on top of a UPS truck

The delivery firm UPS has unveiled a drone-launching truck – but the event did not go completely to plan.

One aircraft failed to launch properly and was then nearly destroyed.

The test in Florida was intended to demonstrate how package-carrying drones could make the company more efficient in rural locations.

However, US rules currently state that commercial use of such aircraft requires pilots to keep them in sight.

The firm acknowledges that until this restriction is eased it cannot carry out its plan to let drivers deploy the drones from one location and then meet up with them at another, letting both humans and machines make deliveries simultaneously.

Image copyrightReuters

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UPS wants its drivers to be able to send small packages by drone while they deliver larger parcels by road

“Drivers are the face of our company and that won’t change,” said Mark Wallace, the firm’s senior vice-president of global engineering.

“What’s exciting is the potential for drones to aid drivers at various points along their routes. Imagine a triangular delivery route where the stops are kilometres apart.

“Sending a drone from a package car to make just one of those deliveries can reduce costly kilometres driven.”

The Horsefly octacopter involved was made by Ohio-based Workhorse Group.

The initial test went well, with the aircraft launching from a platform built into the truck’s slide-open roof.

But a second attempt was more problematic.

The drone tipped over when it tried to take off, rocked back and was then nearly crushed when the truck’s roof began to close over the launch pad where the machine was still sitting.

“For the photographers we tried to do a quick non-traditional delivery and something went wrong,” Stephen Burns, chief executive of Workhorse, told the news site Techcrunch.

“We probably shouldn’t have tried to do something weird like that with everyone watching.”

Mr Burns added that the problem may have been caused by interference from TV cameras filming the trial. Techcrunch has posted footage of the incident on its site.

Image copyrightUPS

Image caption
The scheduled flight went according to plan, but an impromptu second attempt did not

UPS says it is not sure when or how it will eventually roll out the flying robots.

“We have no idea how all that will play out until we find out how to integrate them into the business,” Mr Dodero told reporters.

Drones are, however, already making medical deliveries in Rwanda – a project UPS is involved in – and Amazon is testing the tech in the UK.